Tongue cleaner



FIG. 1 shows a perspective view of a tongue cleaner showing my new design;

FIG. 2 shows a front elevational view thereof, the rear elevational view being identical thereto;

FIG. 3 shows a side elevational view thereof, the opposite side elevational view being identical thereto;

FIG. 4 shows a top view thereof; and,

FIG. 5 shows a bottom view thereof. 

The ornamental design for a tongue cleaner, as shown and described. 